package cn.tedu.sp03.service;

import cn.tedu.entity.User;
import cn.tedu.web.util.JsonUtil;
import com.fasterxml.jackson.core.type.TypeReference;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
@Slf4j
@RefreshScope
public class UserService implements cn.tedu.service.UserService {
    //注入yml中配置的demo数据
    @Value("${sp.user-service.users}")
    private String userJson;


    @Override
    public User getUser(Integer userId) {
        log.info("获取用户,userId="+userId);
        //userJson----->List<User>
        //jackson api利用继承语法来转换类型
        List<User> list = JsonUtil.from(userJson, new TypeReference<List<User>>() {});
        //遍历集合，查找用户id是useId的用户
        for (User user : list) {
            if(user.getId().equals(userId)){
                return user;
            }
        }
        //如果没有用户直接返回一个写死的用户数据
        return new User(userId,"用户名"+userId,"密码"+userId);
    }


    @Override
    public void addScore(Integer userId, Integer score) {
        log.info("增加用户积分，userId="+userId+".  score="+score);
    }
}